/**
 * LLM provider factory - creates and auto-detects providers.
 */
import type { LLMClient, LLMConfig, LLMProviderId } from './client.js';
/**
 * Create an LLM client from configuration.
 */
export declare function createLLMClient(config: LLMConfig): LLMClient;
/**
 * Auto-detect the best available provider based on environment.
 */
export declare function detectProvider(): LLMProviderId;
/**
 * Create an LLM client with auto-detection.
 * Uses environment variables to determine the best provider.
 */
export declare function createAutoClient(modelOverride?: string): LLMClient;
/**
 * Get information about available providers.
 */
export interface ProviderAvailability {
    provider: LLMProviderId;
    available: boolean;
    reason?: string;
}
/**
 * Check which providers are available.
 */
export declare function checkProviderAvailability(): Promise<ProviderAvailability[]>;
/**
 * Get the default model for a provider.
 */
export declare function getDefaultModel(provider: LLMProviderId): string;
/**
 * List all supported providers.
 */
export declare function getSupportedProviders(): LLMProviderId[];
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